InChI=1S/C27H36N2O5.C2H2O4/c1-28(17-21-11-20-14-25(33-4)26(34-5)16-22(20)21)8-6-9-29-10-7-18-12-23(31-2)24(32-3)13-19(18)15-27(29)30;3-1(4)2(5)6/h12-14,16,21H,6-11,15,17H2,1-5H3;(H,3,4)(H,5,6)/t21-;/m1./s1